The basics of car engine diagnostics
Although 'engine diagnostics' and 'car diagnostics' are two separate entities, most aspects of general car diagnostics also rely on the former's ECU. The Engine Control Unit hosts the OBD, which in turn generates DTCs.
The first time most people notice something amiss is when the 'check engine' light shows. There can be hundreds of reasons for the light to start blinking. Checking them and eliminating faults is the basis of a car engine diagnostics Shipley.
At Tyre Experts, we use advanced handheld scanners to plug into the OBD. Our devices use either the ELM or the STN1110 interfaces. Once plugged in, we can quickly transfer the data to a computer, allowing us to look for problematic areas.
All error codes have 1 letter and 4 numerals. Based on the standardised system of DTCs across the world, here are the commonest ones:
- 'B': It indicates problems of a car's body. There are more than 1160 error codes in this category.
- 'C': Designates problems with a car's chassis. There are more than 400 associated errors.
- 'P': Indicated problems with the engine, transmission and related systems. There are more than 1000 such codes which start with the letter 'P'.
- 'U': Indicates electrical issues.